Combine dry ingredients into a medium sized mixing bowl.
Add milk to the dry ingredients and stir until combined.
Cover and place in the fridge overnight.
Serve chilled or warm up if desired. Optional toppings are chopped nuts, cocoa nibs, peanut butter, or whatever you'd like. Will stay good for up to one week in the fridge.
Notes
To add some probiotics to this breakfast recipe, substitute half of the milk with yogurt.